M MichaelJ Member Location Georgia Oct 26, 2010 #1 should a 4/0 copper wire THHN in a cable tray with single layer no spacing (no cover) on a breaker rated @ 60c have 65% ampacity per 392.11(B)(2) and then uce the 60 deg col on table 310.17?
should a 4/0 copper wire THHN in a cable tray with single layer no spacing (no cover) on a breaker rated @ 60c have 65% ampacity per 392.11(B)(2) and then uce the 60 deg col on table 310.17?
